Medium severity · published Jan 13, 2021
CVE-2020-36191
JupyterHub 1.1.0 allows CSRF in the admin panel via a request that lacks an _xsrf field, as demonstrated by a /hub/api/user request (to add or remove a user account)
4.5
CVSS
0.5%
EPSS
No
On KEV
Description
JupyterHub 1.1.0 allows CSRF in the admin panel via a request that lacks an _xsrf field, as demonstrated by a /hub/api/user request (to add or remove a user account).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JU
Jupyterhub · Jupyter
1.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-36191
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-36191
Exploit
https://github.com/jupyterhub/jupyterhub/issues/3304
Third Party Advisory
https://github.com/jupyterhub/jupyterhub/releases
More from Jupyterhub
7.5
CVE-2021-41247
JupyterHub is an open source multi-user server for Jupyter notebooks
7.2
CVE-2024-41942
JupyterHub is software that allows one to create a multi-user server for Jupyter notebooks
6.1
CVE-2026-33709
JupyterHub has an Open Redirect Vulnerability
6.1
CVE-2024-28233
JupyterHub is an open source multi-user server for Jupyter notebooks
6.1
CVE-2019-10255
An Open Redirect vulnerability for all browsers in Jupyter Notebook before 5.7.7 and some browsers (Chrome, Firefox) in JupyterHub before 0.9.5 allows crafted links to the login…